/* ========================================
   HOW-IT-WORKS.CSS - Estilos da Seção How it Works
   ======================================== */

.how-section {
    padding: var(--spacing-4xl) 0;
    position: relative;
    background: var(--black);
    overflow: hidden;
}

/* Background Decoration */
.how-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(var(--gold-rgb), 0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* Steps Container */
.steps-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

/* Step Card */
.step-card {
    text-align: center;
    position: relative;
    padding: var(--spacing-xl) var(--spacing-lg);
    transition: all var(--transition-base);
}

/* Connecting Line */
.step-card::after {
    content: '';
    position: absolute;
    top: 60px;
    right: -40%;
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold) 0%, transparent 100%);
    opacity: 0.3;
}

.step-card:last-child::after {
    display: none;
}

/* Step Icon Container */
.step-icon {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-xl);
}

/* Step Number */
.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: var(--gradient-gold);
    border-radius: 50%;
    font-size: var(--text-4xl);
    font-weight: 900;
    color: var(--white);
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(var(--gold-rgb), 0.3);
    transition: all var(--transition-base);
}

/* Rotating Glow */
.step-number::before {
    content: '';
    position: absolute;
    inset: -8px;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        var(--gold) 90deg,
        transparent 180deg
    );
    border-radius: 50%;
    opacity: 0.5;
    animation: rotateGlow 3s linear infinite;
    z-index: -1;
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Pulse Effect */
.step-number::after {
    content: '';
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, rgba(var(--gold-rgb), 0.2) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    animation: pulse 2s ease-in-out infinite;
    z-index: -2;
}

/* Hover Effects */
.step-card:hover {
    transform: translateY(-10px);
}

.step-card:hover .step-number {
    background: var(--gradient-green);
    box-shadow: 0 15px 40px rgba(var(--green-rgb), 0.4);
}

.step-card:hover .step-number::before {
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        var(--green) 90deg,
        transparent 180deg
    );
}

/* Step Title */
.step-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

/* Step Description */
.step-description {
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-light);
    max-width: 250px;
    margin: 0 auto;
}

/* Special Styling for Each Step */
.step-card:nth-child(1) .step-number {
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
}

.step-card:nth-child(2) .step-number {
    background: var(--gradient-gold);
}

.step-card:nth-child(3) .step-number {
    background: linear-gradient(135deg, #DC2626 0%, #EF4444 100%);
}

.step-card:nth-child(4) .step-number {
    background: var(--gradient-green);
}

/* Animation */
.step-card {
    opacity: 0;
    transform: translateY(50px);
}

.step-card.visible {
    animation: slideInUp 0.8s ease-out forwards;
}

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-card:nth-child(1) { animation-delay: 0.1s; }
.step-card:nth-child(2) { animation-delay: 0.2s; }
.step-card:nth-child(3) { animation-delay: 0.3s; }
.step-card:nth-child(4) { animation-delay: 0.4s; }

/* Mobile Timeline Layout */
@media (max-width: 1024px) {
    .steps-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
    
    .step-card::after {
        display: none;
    }
    
    /* Add vertical line for mobile */
    .steps-container::before {
        content: '';
        position: absolute;
        left: 50%;
        top: 0;
        bottom: 0;
        width: 2px;
        background: linear-gradient(180deg, transparent 0%, var(--gold) 50%, transparent 100%);
        opacity: 0.3;
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .how-section {
        padding: var(--spacing-3xl) 0;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        max-width: 400px;
        margin: 0 auto;
    }
    
    .steps-container::before {
        left: 50px;
    }
    
    .step-card {
        text-align: left;
        padding-left: 100px;
        position: relative;
    }
    
    .step-icon {
        position: absolute;
        left: 0;
        top: 0;
        margin-bottom: 0;
    }
    
    .step-number {
        width: 80px;
        height: 80px;
        font-size: var(--text-3xl);
    }
    
    .step-title {
        font-size: var(--text-xl);
        margin-top: var(--spacing-sm);
    }
    
    .step-description {
        text-align: left;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .steps-container {
        gap: var(--spacing-lg);
    }
    
    .step-card {
        padding-left: 80px;
    }
    
    .steps-container::before {
        left: 30px;
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: var(--text-2xl);
    }
    
    .step-number::before,
    .step-number::after {
        display: none;
    }
    
    .step-title {
        font-size: var(--text-lg);
    }
    
    .step-description {
        font-size: var(--text-sm);
    }
}

/* Alternative Card Layout for Very Small Screens */
@media (max-width: 360px) {
    .step-card {
        text-align: center;
        padding: var(--spacing-lg);
    }
    
    .step-icon {
        position: relative;
        margin-bottom: var(--spacing-md);
    }
    
    .steps-container::before {
        display: none;
    }
}